```
class DynATC(QQuickWidget):
    moveToPocketSig = Signal(int, int, arguments=['previous_pocket', 'pocket_num'])

    # toolInSpindleSig = Signal(int, arguments=['tool_num'])

    rotateFwdSig = Signal(int, arguments=['steps'])
    rotateRevSig = Signal(int, arguments=['steps'])

    showToolSig = Signal(int, int, arguments=['pocket', 'tool_num'])
    hideToolSig = Signal(int, arguments=['tool_num'])

    def __init__(self, parent=None):
        super(DynATC, self).__init__(parent)

        if IN_DESIGNER:
            return

        self.atc_position = 0

        self.cw_pin = HALPin('cw', 's32', 'IN', "0")
        self.ccw_pin = HALPin('ccw', 's32', 'IN', "0")

        self.cw_pin.connect(self.rotate_fw)
        self.ccw_pin.connect(self.rotate_rev)